wet vents

Hello, I added a shower stall and an additional toilet to bathroom. The current bath has two sink vanities, they are about 16’ away from each other, one sink is drained to a 2” wet vent (to the roof) that provides the venting for the first (original) toilet 3” line. The other sink has a 1.5”...

Hello, I am renovating my home by adding back-to-back bathrooms on the second floor. I have asked a plumber to do the plumbing. He came one afternoon and then he disappeared (after the first payment), and now I cannot find him :( . I am thinking to finish the job myself but I am worrying that he...